Morris Webster "Lefty" Martin (September 3, 1922 – May 24, 2010) was an American Major League Baseball pitcher with the Brooklyn Dodgers (1949), Philadelphia Athletics (1951-1954), Chicago White Sox (1954-1956), Baltimore Orioles (1956), St. Louis Cardinals (1957-1958), Cleveland Indians (1958) and Chicago Cubs (1959). He batted and threw left-handed. Martin appeared in 250 games.

During World War II, he was assigned to the First Army's 49th Combat Engineers. He participated in Operation Torch, Operation Overlord, Operation Cobra, and the Battle of the Bulge.